Part number: DSD4737.1. Material: stainless steel. Please provide the VIN as well as the make, model, and exact engine of the vehicle when ordering to ensure part compatibility.

PORSCHE CAYMAN 718 muffler, straight APR

Factory exhaust resonator delete for Audi A4/A5/Allroad B9/B9.5, replaced with a ready-to-install part. Raspier, sportier exhaust tone.

OE-style exhaust clamp, 65 mm diameter, the perfect size for 65 mm pipes on Audi 8V A3, B9/B9.5 A4/A5/Allroad and VW MkVII GTI. Even distribution of clamping force, without crushing the pipe.

Stainless steel race catalytic converter, direct-fit replacement for the restrictive factory catalytic converter, on BMW F2x/F3x B58 engine. Increased power and torque, reduced turbo response time, enhanced exhaust sound. Installation effort: moderate.

8Y RS3 Cat-Back Kit APR

Exhaust tip kit, DBL WALL, 3.5" X 2.5", POLISH APR

PORSCHE CAYMAN 718 muffler, left APR

Factory exhaust resonator delete on Audi SQ5 B9/B9.5 3.0T, replaced by an integrated X-Pipe ready to install. Gruffer, more exotic exhaust tone. Installation difficulty: moderate.

OE-style exhaust clamp, 70 mm diameter, the perfect size for 70 mm pipes on Audi 8V A3/S3, 8S TTS and VW MkVII Golf R. Even distribution of clamping force, without crushing the pipe.

Race downpipe in cast stainless steel, direct-fit replacement for the restrictive original downpipe and catalytic converter, on Audi TTRS 8S and RS3 8V.5 2.5 TFSI EVO DAZA. Not compatible with vehicles equipped with a gasoline particulate filter (FAP/GPF).